Improvement in covers for openings in sidewalks



i Ni UNITED STATES PATENT V Orifice WILLIAM DALE', oFNEW YORK, N. Y.

"fffiMPuoviEMsNT meow-:Rs `Fon oPENlNes IN islDEwALK's.

`Speeitieation brnlingpart of Letters Patent-:"No. [12.428, dated March 7, .1871.

`Z'oall'hom ztmaycmcem: 1 i A and A2. The space of' the cavity in thed-ish n f. '.Beit known thatI, WILLIAM DALE, ofthe not occupied by the bnlls-eyes and their sur- "1 g` cityfa-nd]county i of; `New York, and 'State ot' rounding' flanges is filled by anon slippery mal ew Yorkhave` inventedacertain Improveterial. When convenient itin-ay be filled withA 'mentdii lCovers torpenings in- Sidewalks; a material like that ot' which the pavement is andI do` hereby `dee are thatlthe following isV composed. I nl mostcases, however,I prefer to y. `afull;,eleargand exnotdescription thereof, refuse a block ot wood of the size of the cavity, i l, el'ence being `had to the annexed drawings, with holes. bored through for the reception ot' makingpartl of thisspeeiiication, in whiehthe bulls-eyes. This block of' wood C is fas't- 'Figuregl `is a `plan View of iny improved ened tothe dishv by means of va ring-bolt, C', vault-coreani `Fig.`2 is a verticalseclion online and nu't,'in tllemanner shown, said ring-bolt :v ofiFig. 1:. g serving also" as a handle, by which, the cover y The same letters are used in bozh figures in may be lifted ofi' of its,seat to uncover the thedesigmition of iden'ticalparts. opening. When not in use-theringofthe boit l 3l lhisinvention-relates to vault-covers and is turned down into a gutter in the Wooden i theimproiemenhconsists, V'irst, in producipg block, so that the cover may presentV an nn- .1 asa` new ai ticle of manuflltturev a Vault-cover broken upper surface tIush with the pavement. composedpfa metalliedish having bulls-eyes Severalslots or holes, A4, are formed in thedish 1 for the admission ot' `light into the cellar or around or near its outer edge, outside of' the i "vault below, and a wooden block or other nonwooden block, suieentlysmall to prevent the `slippery material for tillingihe Cai'ities in the rain from entering through them to anyobjecdish around the-bulPs-eyes; and, secondly, in tionable extent, yet-s' iiciently large toai'ord constructingythe dish with slotsor. perforaa means of ventilation for the cellar or .vault 11 tionsaronnd its edgeforventilating purposes. below. .These openings may be made Haring f Toenable those skilled in the art to make from top to bottom, as shown in Fig. 2. "l and l use my invention, I will `proceed to deu What [claim as my invention, and desire to 3 scriheits constructionand operation. secure by Letters Patent, is` v .fIn the annexed drawings, A represents the l. The -combihationof the metallic dish A `metallic dish, whichmay be made of the cir- A', bulls-eyes A?, and wooden block C, or othjfonlar ,formfs'hown 'or any other fornito ada-pt er nouslippery materahused as a filling for itto that of'` theopening which it isdesig'ned `the eavity of the dish between and around the to cover. It rests, bya horizontal flange, A', vbulls-eyes, substantially as set forth. 1r around its tcp, npona shelor seat formed inV 2. [nconlbination with the vault-oover,com thepavementB surrounding the opening By, posed of the parts A A3 G, the openings A4, andmay be, fastened `from below by any suitanear the periphery ofthe dish Aand surroundi n ble mechanism. y It is set into the pavement so ingithe non-slippery filling O, substantially as i that its uppersurtaoeis flush, with the latter. and for the purpose "set forth. y The bottom of `the dish is constructed-with a In testimony whereof I have signed my name series of openings surrounded by upwardly to this specilication in the presenceoi' two sub- `projreeting angesAwith annn)lar'shl; ulders scribing Witnesses.

a. lhese openings are covered, ythic pieces of glass or1bullsfeyes`A3, which rest upon the WILLIAM DALE' shoulders a, and are securel in the annular Witnesses: tlaugesin any suitablemanner,theiruppersur- U.- H. MAOHIN, iaoesbeingushiwith theedges of the iianges WM. F. LETT. 

